4 * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me>
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 #include "qemu/osdep.h"
26 #include "qapi/error.h"
27 #include "exec/address-spaces.h"
28 #include "sysemu/sysemu.h"
29 #include "hw/arm/stm32f405_soc.h"
30 #include "hw/qdev-clock.h"
31 #include "hw/misc/unimp.h"
33 #define RCC_ADDR 0x40023800
34 #define SYSCFG_ADD 0x40013800
35 static const uint32_t usart_addr
[] = { 0x40011000, 0x40004400, 0x40004800,
36 0x40004C00, 0x40005000, 0x40011400,
37 0x40007800, 0x40007C00 };
38 /* At the moment only Timer 2 to 5 are modelled */
39 static const uint32_t timer_addr
[] = { 0x40000000, 0x40000400,
40 0x40000800, 0x40000C00 };
41 static const uint32_t adc_addr
[] = { 0x40012000, 0x40012100, 0x40012200,
42 0x40012300, 0x40012400, 0x40012500 };
43 static const uint32_t spi_addr
[] = { 0x40013000, 0x40003800, 0x40003C00,
44 0x40013400, 0x40015000, 0x40015400 };
45 #define EXTI_ADDR 0x40013C00
48 static const int usart_irq
[] = { 37, 38, 39, 52, 53, 71, 82, 83 };
49 static const int timer_irq
[] = { 28, 29, 30, 50 };
51 static const int spi_irq
[] = { 35, 36, 51, 0, 0, 0 };
52 static const int exti_irq
[] = { 6, 7, 8, 9, 10, 23, 23, 23, 23, 23, 40,
56 static void stm32f405_soc_initfn(Object
*obj
)
58 STM32F405State
*s
= STM32F405_SOC(obj
);
61 object_initialize_child(obj
, "armv7m", &s
->armv7m
, TYPE_ARMV7M
);
63 object_initialize_child(obj
, "rcc", &s
->rcc
, TYPE_STM32_RCC
);
65 object_initialize_child(obj
, "syscfg", &s
->syscfg
, TYPE_STM32F4XX_SYSCFG
);
67 for (i
= 0; i
< STM_NUM_USARTS
; i
++) {
68 object_initialize_child(obj
, "usart[*]", &s
->usart
[i
],
69 TYPE_STM32F2XX_USART
);
72 for (i
= 0; i
< STM_NUM_TIMERS
; i
++) {
73 object_initialize_child(obj
, "timer[*]", &s
->timer
[i
],
74 TYPE_STM32F2XX_TIMER
);
77 for (i
= 0; i
< STM_NUM_ADCS
; i
++) {
78 object_initialize_child(obj
, "adc[*]", &s
->adc
[i
], TYPE_STM32F2XX_ADC
);
81 for (i
= 0; i
< STM_NUM_SPIS
; i
++) {
82 object_initialize_child(obj
, "spi[*]", &s
->spi
[i
], TYPE_STM32F2XX_SPI
);
85 object_initialize_child(obj
, "exti", &s
->exti
, TYPE_STM32F4XX_EXTI
);
87 s
->sysclk
= qdev_init_clock_in(DEVICE(s
), "sysclk", NULL
, NULL
, 0);
88 s
->refclk
= qdev_init_clock_in(DEVICE(s
), "refclk", NULL
, NULL
, 0);
91 static void stm32f405_soc_realize(DeviceState
*dev_soc
, Error
**errp
)
93 STM32F405State
*s
= STM32F405_SOC(dev_soc
);
94 MemoryRegion
*system_memory
= get_system_memory();
95 DeviceState
*dev
, *armv7m
;
101 * We use s->refclk internally and only define it with qdev_init_clock_in()
102 * so it is correctly parented and not leaked on an init/deinit; it is not
103 * intended as an externally exposed clock.
105 if (clock_has_source(s
->refclk
)) {
106 error_setg(errp
, "refclk clock must not be wired up by the board code");
110 if (!clock_has_source(s
->sysclk
)) {
111 error_setg(errp
, "sysclk clock must be wired up by the board code");
116 * TODO: ideally we should model the SoC RCC and its ability to
117 * change the sysclk frequency and define different sysclk sources.
120 /* The refclk always runs at frequency HCLK / 8 */
121 clock_set_mul_div(s
->refclk
, 8, 1);
122 clock_set_source(s
->refclk
, s
->sysclk
);
124 memory_region_init_rom(&s
->flash
, OBJECT(dev_soc
), "STM32F405.flash",
127 error_propagate(errp
, err
);
130 memory_region_init_alias(&s
->flash_alias
, OBJECT(dev_soc
),
131 "STM32F405.flash.alias", &s
->flash
, 0,
134 memory_region_add_subregion(system_memory
, FLASH_BASE_ADDRESS
, &s
->flash
);
135 memory_region_add_subregion(system_memory
, 0, &s
->flash_alias
);
137 memory_region_init_ram(&s
->sram
, NULL
, "STM32F405.sram", SRAM_SIZE
,
140 error_propagate(errp
, err
);
143 memory_region_add_subregion(system_memory
, SRAM_BASE_ADDRESS
, &s
->sram
);
145 memory_region_init_ram(&s
->ccm
, NULL
, "STM32F405.ccm", CCM_SIZE
,
148 error_propagate(errp
, err
);
151 memory_region_add_subregion(system_memory
, CCM_BASE_ADDRESS
, &s
->ccm
);
153 armv7m
= DEVICE(&s
->armv7m
);
154 qdev_prop_set_uint32(armv7m
, "num-irq", 96);
155 qdev_prop_set_uint8(armv7m
, "num-prio-bits", 4);
156 qdev_prop_set_string(armv7m
, "cpu-type", ARM_CPU_TYPE_NAME("cortex-m4"));
157 qdev_prop_set_bit(armv7m
, "enable-bitband", true);
158 qdev_connect_clock_in(armv7m
, "cpuclk", s
->sysclk
);
159 qdev_connect_clock_in(armv7m
, "refclk", s
->refclk
);
160 object_property_set_link(OBJECT(&s
->armv7m
), "memory",
161 OBJECT(system_memory
), &error_abort
);
162 if (!sysbus_realize(SYS_BUS_DEVICE(&s
->armv7m
), errp
)) {
166 /* Reset and clock controller */
167 dev
= DEVICE(&s
->rcc
);
168 if (!sysbus_realize(SYS_BUS_DEVICE(&s
->rcc
), errp
)) {
171 busdev
= SYS_BUS_DEVICE(dev
);
172 sysbus_mmio_map(busdev
, 0, RCC_ADDR
);
174 /* System configuration controller */
175 dev
= DEVICE(&s
->syscfg
);
176 if (!sysbus_realize(SYS_BUS_DEVICE(&s
->syscfg
), errp
)) {
179 busdev
= SYS_BUS_DEVICE(dev
);
180 sysbus_mmio_map(busdev
, 0, SYSCFG_ADD
);
181 sysbus_connect_irq(busdev
, 0, qdev_get_gpio_in(armv7m
, SYSCFG_IRQ
));
183 /* Attach UART (uses USART registers) and USART controllers */
184 for (i
= 0; i
< STM_NUM_USARTS
; i
++) {
185 dev
= DEVICE(&(s
->usart
[i
]));
186 qdev_prop_set_chr(dev
, "chardev", serial_hd(i
));
187 if (!sysbus_realize(SYS_BUS_DEVICE(&s
->usart
[i
]), errp
)) {
190 busdev
= SYS_BUS_DEVICE(dev
);
191 sysbus_mmio_map(busdev
, 0, usart_addr
[i
]);
192 sysbus_connect_irq(busdev
, 0, qdev_get_gpio_in(armv7m
, usart_irq
[i
]));
196 for (i
= 0; i
< STM_NUM_TIMERS
; i
++) {
197 dev
= DEVICE(&(s
->timer
[i
]));
198 qdev_prop_set_uint64(dev
, "clock-frequency", 1000000000);
199 if (!sysbus_realize(SYS_BUS_DEVICE(&s
->timer
[i
]), errp
)) {
202 busdev
= SYS_BUS_DEVICE(dev
);
203 sysbus_mmio_map(busdev
, 0, timer_addr
[i
]);
204 sysbus_connect_irq(busdev
, 0, qdev_get_gpio_in(armv7m
, timer_irq
[i
]));
207 /* ADC device, the IRQs are ORed together */
208 if (!object_initialize_child_with_props(OBJECT(s
), "adc-orirq",
209 &s
->adc_irqs
, sizeof(s
->adc_irqs
),
210 TYPE_OR_IRQ
, errp
, NULL
)) {
213 object_property_set_int(OBJECT(&s
->adc_irqs
), "num-lines", STM_NUM_ADCS
,
215 if (!qdev_realize(DEVICE(&s
->adc_irqs
), NULL
, errp
)) {
218 qdev_connect_gpio_out(DEVICE(&s
->adc_irqs
), 0,
219 qdev_get_gpio_in(armv7m
, ADC_IRQ
));
221 for (i
= 0; i
< STM_NUM_ADCS
; i
++) {
222 dev
= DEVICE(&(s
->adc
[i
]));
223 if (!sysbus_realize(SYS_BUS_DEVICE(&s
->adc
[i
]), errp
)) {
226 busdev
= SYS_BUS_DEVICE(dev
);
227 sysbus_mmio_map(busdev
, 0, adc_addr
[i
]);
228 sysbus_connect_irq(busdev
, 0,
229 qdev_get_gpio_in(DEVICE(&s
->adc_irqs
), i
));
233 for (i
= 0; i
< STM_NUM_SPIS
; i
++) {
234 dev
= DEVICE(&(s
->spi
[i
]));
235 if (!sysbus_realize(SYS_BUS_DEVICE(&s
->spi
[i
]), errp
)) {
238 busdev
= SYS_BUS_DEVICE(dev
);
239 sysbus_mmio_map(busdev
, 0, spi_addr
[i
]);
240 sysbus_connect_irq(busdev
, 0, qdev_get_gpio_in(armv7m
, spi_irq
[i
]));
244 dev
= DEVICE(&s
->exti
);
245 if (!sysbus_realize(SYS_BUS_DEVICE(&s
->exti
), errp
)) {
248 busdev
= SYS_BUS_DEVICE(dev
);
249 sysbus_mmio_map(busdev
, 0, EXTI_ADDR
);
250 for (i
= 0; i
< 16; i
++) {
251 sysbus_connect_irq(busdev
, i
, qdev_get_gpio_in(armv7m
, exti_irq
[i
]));
253 for (i
= 0; i
< 16; i
++) {
254 qdev_connect_gpio_out(DEVICE(&s
->syscfg
), i
, qdev_get_gpio_in(dev
, i
));
257 create_unimplemented_device("timer[7]", 0x40001400, 0x400);
258 create_unimplemented_device("timer[12]", 0x40001800, 0x400);
259 create_unimplemented_device("timer[6]", 0x40001000, 0x400);
260 create_unimplemented_device("timer[13]", 0x40001C00, 0x400);
261 create_unimplemented_device("timer[14]", 0x40002000, 0x400);
262 create_unimplemented_device("RTC and BKP", 0x40002800, 0x400);
263 create_unimplemented_device("WWDG", 0x40002C00, 0x400);
264 create_unimplemented_device("IWDG", 0x40003000, 0x400);
265 create_unimplemented_device("I2S2ext", 0x40003000, 0x400);
266 create_unimplemented_device("I2S3ext", 0x40004000, 0x400);
267 create_unimplemented_device("I2C1", 0x40005400, 0x400);
268 create_unimplemented_device("I2C2", 0x40005800, 0x400);
269 create_unimplemented_device("I2C3", 0x40005C00, 0x400);
270 create_unimplemented_device("CAN1", 0x40006400, 0x400);
271 create_unimplemented_device("CAN2", 0x40006800, 0x400);
272 create_unimplemented_device("PWR", 0x40007000, 0x400);
273 create_unimplemented_device("DAC", 0x40007400, 0x400);
274 create_unimplemented_device("timer[1]", 0x40010000, 0x400);
275 create_unimplemented_device("timer[8]", 0x40010400, 0x400);
276 create_unimplemented_device("SDIO", 0x40012C00, 0x400);
277 create_unimplemented_device("timer[9]", 0x40014000, 0x400);
278 create_unimplemented_device("timer[10]", 0x40014400, 0x400);
279 create_unimplemented_device("timer[11]", 0x40014800, 0x400);
280 create_unimplemented_device("GPIOA", 0x40020000, 0x400);
281 create_unimplemented_device("GPIOB", 0x40020400, 0x400);
282 create_unimplemented_device("GPIOC", 0x40020800, 0x400);
283 create_unimplemented_device("GPIOD", 0x40020C00, 0x400);
284 create_unimplemented_device("GPIOE", 0x40021000, 0x400);
285 create_unimplemented_device("GPIOF", 0x40021400, 0x400);
286 create_unimplemented_device("GPIOG", 0x40021800, 0x400);
287 create_unimplemented_device("GPIOH", 0x40021C00, 0x400);
288 create_unimplemented_device("GPIOI", 0x40022000, 0x400);
289 create_unimplemented_device("CRC", 0x40023000, 0x400);
290 create_unimplemented_device("Flash Int", 0x40023C00, 0x400);
291 create_unimplemented_device("BKPSRAM", 0x40024000, 0x400);
292 create_unimplemented_device("DMA1", 0x40026000, 0x400);
293 create_unimplemented_device("DMA2", 0x40026400, 0x400);
294 create_unimplemented_device("Ethernet", 0x40028000, 0x1400);
295 create_unimplemented_device("USB OTG HS", 0x40040000, 0x30000);
296 create_unimplemented_device("USB OTG FS", 0x50000000, 0x31000);
297 create_unimplemented_device("DCMI", 0x50050000, 0x400);
298 create_unimplemented_device("RNG", 0x50060800, 0x400);
301 static void stm32f405_soc_class_init(ObjectClass
*klass
, void *data
)
303 DeviceClass
*dc
= DEVICE_CLASS(klass
);
305 dc
->realize
= stm32f405_soc_realize
;
306 /* No vmstate or reset required: device has no internal state */
309 static const TypeInfo stm32f405_soc_info
= {
310 .name
= TYPE_STM32F405_SOC
,
311 .parent
= TYPE_SYS_BUS_DEVICE
,
312 .instance_size
= sizeof(STM32F405State
),
313 .instance_init
= stm32f405_soc_initfn
,
314 .class_init
= stm32f405_soc_class_init
,
317 static void stm32f405_soc_types(void)
319 type_register_static(&stm32f405_soc_info
);
322 type_init(stm32f405_soc_types
)